Finding the Third Proportional to 5,259,603 and 7,868,424

Step by Step Solution

1. Step 1: Write the proportion equation
   5,259,603 : 7,868,424 = 7,868,424 : x
2. Step 2: Convert to fraction form
   5,259,603/7,868,424 = 7,868,424/x
3. Step 3: Cross multiply
   5,259,603x = 7,868,424 × 7,868,424
4. Step 4: Simplify right side
   5,259,603x = 61,912,096,243,776
5. Step 5: Solve for x
   x = 61,912,096,243,776/5,259,603
6. Step 6: Final answer
   x = 11,771,248.94